Steam and governor connection for twin engines.



No. 724,438. PATENTED APR. 7, 1903. H. 0. CLAY.

STEAM AND GOVERNOR CONNECTION FOR TWIN ENGINES.

, APPLICATION FILED 00112, 1901.

10 MODEL.

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I 1 UNITED I STATES PATENT OFFICE.

HARRY C. CLAY, OF COLUMBUS, INDIANA, ASSIGNOR TO REEVES div COM PANY, or COLUMBUS, INDIANA,

STEAM AND GOVERNOR CONN A CORPORATION OF INDIANA.

ECTION FOR TW|N ENGINES.

SPECIFICATION forming part of Letters Patent No. 724,438, dated April 7, 1903.

moi.

To all whom, it may concern;

Be it known that I, HARRY O. CLAY, a citizen of the United States, residing at Columbus, in the county of Bartholomew and State of Indiana, have invented a new and useful Steam and Governor Connection for Twin Engines, of which the following is a specification. V

My invention relates particularly to a pe-' IO culiar arrangement of connections between the boiler and the twin engines of a tractionengine, although, of course, not necessarily limited to such use. i

In traction-engine construction it is essen- I 5 tial that the mechanism be as compactly arranged as possible, especially in the matter of width of the machine. It is therefore customary to place the engine on the top of the horizontal boiler, and if two engines are used they are mounted side by side upon the top of the boiler.

Heretofore considerable difficulty has been experienced in so arranging the steam connections and the throttling-governor that each cylinder will obtain the same quantity of steam, and difficulty has also been experienced in so arranging the oil-cup as to equally distribute the oil to the two cylinders.

The object of my present invention is there- 0 fore to so arrange and group the steam connections, the throttling-governor, the oil-cup, and the driving connections between the governor and crank-shaft as to insure an equal distribution of steam and oil to each cylinder and without increasing the Width of the.

machine.

' The accompanying drawings illustrate my invention.

Figure 1 is a plan. Fig. 2 is a side elevation, only the steam-dome of the boiler being shown. Fig. 3 is a section on line 3 3 of Fig. 1.

In the drawings, 4 indicates a boiler of any well-known type provided with a steam-dome 5, from the center of which is led a pipe 6. Mounted upon the. boiler, one upon each side of the medial line thereof, are two engines 7 and 8,each provided at its rear end with a bearing 9, which bearings support a crank-shaft 5o 10 common to the two engines, and having cranks 7 and 8 for the two engines, respec- Serial No. 78,435- (No model.)

tively. Connecting the steam-chests of the two engines 7 and Sis a bridge-pipe 11, and at the middle of said pipe I provide a governor connection 12, to which the body 13 of a throttling-governor 14 is attached. The pipe 6 leads into .body 13 of the governor, and mounted in said pipe between the dome and governor-body is a valve 15. 'Discharging into pipe 6 is a single oil-cup lb. The throttling-governor may assume any desired position on the body 13, but for obvious reasons it is preferable to place the governor horizontally, as shown in the drawings.

In traction-engines both ends of the crankshaft are loaded with eccentrics, pulleys, gears, &c., as thickly as they can be placed. In order to drive the governor, therefore, I

prepare a space 17in the crank-shaft between the two cranks for thereception of' the governor-belt 18, and in order to connect said belt with the horizontally-arranged governor I provide the governor-head with a spur-gear 19, which meshes with a similar spur-gear 20, carried by a shaft 21, journaled in a bearing 22, parallel with the axis of the governor.

.16, arranged as it is between the steam-dome and the governor-body, injects oil into the steam before it reaches the governor-body,

and the oil is therefore evenly distributed to both of the cylinders.

I claim as my invention-- 1. The combination with a boiler, of apair bridge-pipe connecting the steam-chests of the two engines and connected to the governorbody atits middle,a crank-shaft common tothe two engines and having an axial portion be- 1 tween the cranks thereof, a driving-shaft for the governor arranged in alinement with said axial portion of the crank-shat t, a driving-belt connecting said axial portion and pulley, and an oil-cup discharging into the steam-pipe between the dome and the governor-body, substantially as and for the purpose set forth.

HARRY C. CLAY.

Witnesses:

GEORGE W. UNGER, WILL H. WELMER. 

